Also known as the "festival of colours" it is celebrated by throwing coloured powders and dancing in the streets.

In 2017 Holi began on March 12 and lasted for a number of days,

Shamrocks are thought to be symbolic of the regenerative powers of nature. Credit: PA

Druids may wear a shamrock or trefoil which is thought to be symbolic of the regenerative powers of nature.

Seeds are planted to show rebirth and renewal. Credit: PA

In Sicily women plant the seeds in baskets and pots and when they sprout the stalks are tied with red ribbons and the flowers are placed on grave on Good Friday, symbolising the triumph of life over death.

The tradition is left over from ancient Italy when women planted seeds on Adonis day to symbolise the rebirth, renewal and growth of spring.

At Chichén Itzá in Mexico, the rising sun transforms one edge of the giant pyramid into a blazing serpent. Credit: PA

Many of the world's ancient monuments were built as astrological calendars and map the movement of the sun over the course of the year.

At Stonehenge in Wiltshire, druids, pagans and Wiccans gather to watch the sun rise above the stones, while at Chichén Itzá in Mexico, the rising sun transforms one edge of the giant pyramid into a blazing serpent, representing the Mayan god Kukulcan.